BOYA BY-GM10 Omni-directional Pro Audio Lavalier Condenser Microphone Mic for GoPro HD Hero4/3+/3 Camera Specially designed for GoPro Hero4, Hero3+, Hero3. Omni directional condenser microphone. Low handling noise, and high sensitivity. High-quality Clip-on microphone is ideal for video use. Superb sound for audio and video recording.